import time

def bubble_sort (nums):
    swapped = True
    while swapped:
        swapped = False
        for i in range (len (nums) - 1):
            if nums [i] > nums [i + 1]:
               nums[i], nums[i + 1] = nums[i + 1], nums[i]
               swapped = True
def read2list (filename) :
    file = open (filename, 'r')
    data = file.readlines()
    return data

m1 = read2list ("m1_sorted.txt")
m2 = read2list ("m2_reverse.txt")
m3 = read2list ("m3_shuffle.txt")

t_start = time.time ()
bubble_sort (m1)
t_finish = time.time()
print ("m1_sorted",round ((t_finish-t_start) *1000), "milliseconds")

t_start = time.time ()
bubble_sort (m2)
t_finish = time.time()
print ("m2_reverse",round ((t_finish-t_start) *1000), "milliseconds")

t_start = time.time ()
bubble_sort (m3)
t_finish = time.time()
print ("m3_shuffle",round ((t_finish-t_start) *1000), "milliseconds")
